64440900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:875

約数の個数: 144

約数和(自身を含む): 214569600

約数和(自身を除く): 150128700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 116, 135, 145, 150, 174, 180, 225, 261, 270, 290, 300, 348, 435, 450, 522, 540, 580, 675, 725, 783, 823, 870, 900, 1044, 1305, 1350, 1450, 1566, 1646, 1740, 2175, 2469, 2610, 2700, 2900, 3132, 3292, 3915, 4115, 4350, 4938, 5220, 6525, 7407, 7830, 8230, 8700, 9876, 12345, 13050, 14814, 15660, 16460, 19575, 20575, 22221, 23867, 24690, 26100, 29628, 37035, 39150, 41150, 44442, 47734, 49380, 61725, 71601, 74070, 78300, 82300, 88884, 95468, 111105, 119335, 123450, 143202, 148140, 185175, 214803, 222210, 238670, 246900, 286404, 358005, 370350, 429606, 444420, 477340, 555525, 596675, 644409, 716010, 740700, 859212, 1074015, 1111050, 1193350, 1288818, 1432020, 1790025, 2148030, 2222100, 2386700, 2577636, 3222045, 3580050, 4296060, 5370075, 6444090, 7160100, 10740150, 12888180, 16110225, 21480300, 32220450, 64440900]

約数ペア:

[(1, 64440900), (2, 32220450), (3, 21480300), (4, 16110225), (5, 12888180), (6, 10740150), (9, 7160100), (10, 6444090), (12, 5370075), (15, 4296060), (18, 3580050), (20, 3222045), (25, 2577636), (27, 2386700), (29, 2222100), (30, 2148030), (36, 1790025), (45, 1432020), (50, 1288818), (54, 1193350), (58, 1111050), (60, 1074015), (75, 859212), (87, 740700), (90, 716010), (100, 644409), (108, 596675), (116, 555525), (135, 477340), (145, 444420), (150, 429606), (174, 370350), (180, 358005), (225, 286404), (261, 246900), (270, 238670), (290, 222210), (300, 214803), (348, 185175), (435, 148140), (450, 143202), (522, 123450), (540, 119335), (580, 111105), (675, 95468), (725, 88884), (783, 82300), (823, 78300), (870, 74070), (900, 71601), (1044, 61725), (1305, 49380), (1350, 47734), (1450, 44442), (1566, 41150), (1646, 39150), (1740, 37035), (2175, 29628), (2469, 26100), (2610, 24690), (2700, 23867), (2900, 22221), (3132, 20575), (3292, 19575), (3915, 16460), (4115, 15660), (4350, 14814), (4938, 13050), (5220, 12345), (6525, 9876), (7407, 8700), (7830, 8230)]